What is a travel code? How long is the travel code valid?

The process of handling the global pass is as follows:

1. Apply for health code on behalf of the elderly and children on the health code page;

2. After successfully applying for the health code, 18 or 60-year-old people with 60 years old can print paper vouchers, which is convenient for the elderly and children to carry with them.

Article 3 of the Law of People's Republic of China (PRC) on the Prevention and Control of Infectious Diseases

Infectious diseases stipulated in this Law are classified into Class A, Class B and Class C. ..

Class A infectious diseases refer to plague and cholera.

Class B infectious diseases refer to: infectious atypical pneumonia, AIDS, viral hepatitis, polio, human infection with highly pathogenic avian influenza, measles, epidemic hemorrhagic fever, rabies, epidemic encephalitis B, dengue fever, anthrax, bacterial and amebic dysentery, tuberculosis, typhoid fever and paratyphoid fever, epidemic cerebrospinal meningitis, whooping cough, diphtheria, neonatal tetanus, scarlet fever, brucellosis, gonorrhea and syphilis.

Class C infectious diseases refer to influenza, mumps, rubella, acute hemorrhagic conjunctivitis, leprosy, epidemic and endemic typhus, kala-azar, echinococcosis, filariasis, infectious diarrhea except cholera, bacterial and amebic dysentery, typhoid fever and paratyphoid fever.

According to the outbreak, epidemic situation and harm degree of infectious diseases, the health administrative department of the State Council can decide to increase, decrease or adjust the diseases of Class B and Class C infectious diseases, and publish them.